Refrigeration and Air Conditioning Air refrigeration operates on Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle Carnot cycle Brayton cycle Rankine’s cycle Reversed Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning Ammonia absorption refrigeration cycle requires Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input Nearly same work input as for vapour compression cycle Maximum work input Very little work input Zero work input ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The heat rejection factor (HRF) is given by 1 - (1/C.O.P) 1 + (1/C.O.P) 1 + C.O.P 1 - C.O.P. 1 - (1/C.O.P) 1 + (1/C.O.P) 1 + C.O.P 1 - C.O.P. ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning A refrigerant with the highest critical pressure is Ammonia R-12 R-11 R-22 Ammonia R-12 R-11 R-22 ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning The wet bulb temperature during sensible cooling of air Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Refrigeration and Air Conditioning In a psychrometric chart, specific humidity (moisture content) lines are Vertical and uniformly spaced Curved lines Horizontal and non-uniformly spaced Horizontal and uniformly spaced Vertical and uniformly spaced Curved lines Horizontal and non-uniformly spaced Horizontal and uniformly spaced ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS